133329138 has 8 divisors (see below), whose sum is σ = 266658288. Its totient is φ = 44443044.

The previous prime is 133329107. The next prime is 133329139. The reversal of 133329138 is 831923331.

133329138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

133329138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 133329099 and 133329108.

It is not an unprimeable number, because it can be changed into a prime (133329139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11110756 + ... + 11110767.

It is an arithmetic number, because the mean of its divisors is an integer number (33332286).

Almost surely, 2^133329138 is an apocalyptic number.

133329138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133329138 is a wasteful number, since it uses less digits than its factorization.

133329138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22221528.

The product of its digits is 11664, while the sum is 33.

The square root of 133329138 is about 11546.8237191013. The cubic root of 133329138 is about 510.8675966670.

The spelling of 133329138 in words is "one hundred thirty-three million, three hundred twenty-nine thousand, one hundred thirty-eight".